package com.jilin.library.entity;

import lombok.Data;
import java.math.BigDecimal;
import java.time.LocalDateTime;

@Data
public class PurchaseRecord {
    private Integer id;
    private Integer bookId;
    private Integer quantity;
    private LocalDateTime purchaseDate;
    private BigDecimal price;
    
    // 关联属性
    private Book book;
} 